When Gyorgy Sandor talks about the piano, it's as if an oracle were speaking. "It's not in the fingers. It's in the muscles of the body," he whispers cryptically about the secret of his technique. Sandor, who draws on a repertoire of works that numbers more than a thousand, is known around the world for his wizardry at the keyboard. Last year he played to packed houses at Cairo's Manasterly Palace, Seoul's Arts Center and London's Barbican Hall, to name a few. This week he's on his way to Rome's Teatro Ghione, and from there to Singapore's Symphony Hall for recitals....